Hardware Monitor was causing my fans to stay noisy!

Bought Hardware Monitor right after I got my Imac - wouldn't sleep without manually telling it to and my fans seemed to run all the time - last night I disabled it from starting up and guess what??? WHISPER QUIET again all day! It was causing my fans to stay running once they revved up for any reason (games, etc) - the only way to quiet them was a reboot but within a few hours they were off running again - once I disbled HM and rebooted - no problems - just played a game and within 3 or 4 minutes they were quiet again!!! All's Quiet now - I can hear my Firewire Drives but no more internal fans driving me nuts!!

A silicon chip on the logic board, known as the SMU in the iMac G5 and Power Mac G5 (PMU on other models) controls the fans. In normal use, it can become corrupt. You can reset it with the back cover on or off. First we will try with the back cover off. Shut down your iMac G5 from the Apple Menu, and disconnect all cables including the power cord. After removing the power cord, wait about 20 seconds, and plug everything in again and start up the computer.
Problem solved?

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    Quote from: noel_bouvrie on 28-May-15, 21:44:33
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    Welcome to Apple Support Communities
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    Quote
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